interface BasicAddress {
    name?: string;
    street: string;
    city: string;
    country: string;
    postalCode: string;
}

interface AddressWithUnit extends BasicAddress {
    unit: string;
}

interface Colorful {
    color: string;
}

interface Circle {
    radius: number;
}

interface ColorfulCircle extends Colorful, Circle {}

const cc: ColorfulCircle = {
    color: 'red',
    radius: 42,
};

export {};
